#pragma ident "$Id$"

/**
 * @file MainAdapter.hpp
 * Easy writing programs in the GPS toolkit.
 */

#ifndef GPSTK_MAINADAPTER_HPP
#define GPSTK_MAINADAPTER_HPP

//============================================================================
//
//  This file is part of GPSTk, the GPS Toolkit.
//
//  The GPSTk is free software; you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published
//  by the Free Software Foundation; either version 2.1 of the License, or
//  any later version.
//
//  The GPSTk is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with GPSTk; if not, write to the Free Software Foundation,
//  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
//
//  Wei Yan - Chinese Academy of Sciences . 2009, 2010, 2011
//
//============================================================================


#include <iostream>
#include "Exception.hpp"

namespace gpstk
{

/** @addgroup appframegroup */

//@{

/**
 * This is an assist class for the macros 'GPSTK_START_MAIN()'
 * the type T should be a subclass of the class 'BasicFramework'.
 */
template<typename T>
class MainAdapter
{
public:
    virtual int run(int argc, char* argv[])
    {
        try
        {
            T program;
            if (!program.initialize(argc, argv, true))
                return 0;
            if (!program.run())
                return 1;

            return 0;
        }
        catch(Exception& e)
        {
            std::cerr << "Problem: "<< e << std::endl;
        }
        catch(std::exception& e)
        {
            std::cerr << "Problem: "<< e.what() << std::endl;
        }
        catch(...)
        {
            std::cerr << "Problem: " << "Unknown error." << std::endl;
        }

        return -1;
    }

}; // End of class 'MainAdapter'


/// A typical way to use this class follows:
///
/// @code
/// class PhDRTK: public BasicFramework;
///
/// GPSTK_START_MAIN(PhDRTK);
/// @endcode

#define GPSTK_START_MAIN(T)         \
   int main(int argc, char* argv[]) \
   {                                \
      MainAdapter<T> M;             \
      return M.run(argc,argv);      \
   }                                \

// @}

}  // End of namespace gpstk


#endif   // GPSTK_MAINADAPTER_HPP
